Chuangtai CTDS-VJ8211 Intelligent Motor Protector User Manual

User manual for the Chuangtai CTDS-VJ8211 intelligent motor protector, covering operation, parameter settings, and installation instructions.


Chuangtai CTDS-VJ8211 Intelligent Motor Protector User Manual - cover page
Brand
Chuangtai
Category
Motor
Document type
User Manual
Language
Chinese
Pages
4
File format
PDF
File size
827 KB
Published
05 November, 2026
Updated
05 November, 2026
MD5 checksum
142D65389CEB6E0274783589A000A216

About this manual

The Chuangtai CTDS-VJ8211 is an intelligent motor comprehensive protector designed as an upgrade to traditional thermal relays. It utilizes digital processing technology to detect three-phase load currents via external current transformers, providing protection against overload, underload, phase loss, and three-phase imbalance. The device features a high-brightness LED display and can output detected current values via 4-20mA or RS485 communication to upper-level computers. This manual is written in Chinese.

What's inside

  • Product Overview
  • Main Functions
  • Main Technical Indicators
  • Operation Guide
  • Basic Working Principles
  • Wiring and Installation
  • Communication Settings

Specifications

Rated Current Setting Range10.0 – 999A
Current Measurement Accuracy±1%
Power Supply VoltageAC 220V
Contact Capacity3A/440VAC

Frequently asked questions

How do I set the rated current value?

Long press the 'SET' key for 2 seconds to enter setting mode, adjust the value using the up/down keys, and press 'SET' to exit.

How can I restore the device from a fault lockout state?

Press the up or down key to reset the lockout state, or power the protector on again to restore it.

What is the default setting for the overload time limit action time?

The default setting for the time-limited action time is 3.0 seconds.

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